<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <!-- 引入 css 文件 -->
        <link rel="stylesheet" href="./bootstrap/css/bootstrap.min.css" />
        <style>
            /* 模糊匹配的方式 设置选择器 */
            /* col-xs-2  col-md-10 */
            .container{
                padding-top: 50px;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <h2>按钮</h2>
            <hr>
            <button>普通按钮</button>
            <hr>
            <button class="btn">按钮</button>
            <button class="btn btn-default">按钮</button>
            <button class="btn btn-primary">按钮</button>
            <button class="btn btn-danger">按钮</button>
            <button class="btn btn-warning">按钮</button>
            <button class="btn btn-success">按钮</button>
            <hr>
            <button class="btn btn-primary btn-xs">按钮</button>
            <button class="btn btn-primary btn-sm">按钮</button>
            <button class="btn btn-primary">按钮</button>
            <button class="btn btn-primary btn-lg">按钮</button>
            <hr>
            <button class="btn btn-success btn-block">按钮</button>
            
        </div>

        <script src="./bootstrap/js/jquery.min.js"></script>
        <script src="./bootstrap/js/bootstrap.min.js"></script>
    </body>
</html>
